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United States weather

Weather in New Castle County, Delaware for November 2026

Your guide to New Castle County weather in November - trends and predictions

    Snow Forecast ❄️

  • Snowfall in New Castle County during November is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in New Castle County at the beginning of November is 14.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.7 °F by the end of November.

    • Rain 🌧️

  • New Castle County experiences moderate rainfall in November, with an average of 8 rainy days and a total precipitation of 166.1 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
21
Dry days
Average rainy days
8
Rainy days
Average snowy days
1
Snow days
Average temperatures
10°/4°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
71 %
Avg humidity

New Castle County Weather November

Move between months or click on a day
October
December
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
16°
2
Sunny
17°
3
Fog
14°
4
Sunny
15°
5
Cloudy
17°
6
Partly cloudy
12°
7
Overcast
13°
8
Moderate rain
16°
9
Fog
15°
10
Overcast
13°
11
Partly cloudy
7°
12
Overcast
9°
13
Sunny
10°
14
Overcast
7°
15
Cloudy
8°
16
Overcast
14°
17
Cloudy
7°
18
Moderate snow
3°
19
Moderate rain
7°
20
Fog
7°
21
Mist
9°
22
Moderate rain
9°
23
Overcast
8°
24
Partly cloudy
11°
25
Overcast
11°
26
Thundery outbreaks possible
16°
27
Cloudy
8°
28
Sunny
6°
29
Sunny
5°
30
Moderate or heavy rain shower
4°

Temperatures trend during November in New Castle County

See the weather trend as well as the moving average line

November weather in New Castle County day by day

Click on a date for more information
October December
Date Weather Temperatures Rain Snow More
Nov. 1 Sunny
Sunny
 16° /6° 0 mm 0 cm
Nov. 2 Sunny
Sunny
 17° /6° 0 mm 0 cm
Nov. 3 Fog
Fog
 14° /8° 0 mm 0 cm
Nov. 4 Sunny
Sunny
 15° /5° 0 mm 0 cm
Nov. 5 Cloudy
Cloudy
 17° /6° 0 mm 0 cm
Nov. 6 Partly cloudy
Partly cloudy
 12° /6° 0 mm 0 cm
Nov. 7 Overcast
Overcast
 13° /3° 0 mm 0 cm
Nov. 8 Moderate rain
Moderate rain
 16° /12° 38.6 mm 0 cm
Nov. 9 Fog
Fog
 15° /10° 0 mm 0 cm
Nov. 10 Overcast
Overcast
 13° /3° 0 mm 0 cm
Nov. 11 Partly cloudy
Partly cloudy
 7° /0° 0 mm 0 cm
Nov. 12 Overcast
Overcast
 9° /0° 0 mm 0 cm
Nov. 13 Sunny
Sunny
 10° /2° 0 mm 0 cm
Nov. 14 Overcast
Overcast
 7° /0° 0 mm 0 cm
Nov. 15 Cloudy
Cloudy
 8° /1° 1.9 mm 0 cm
Nov. 16 Overcast
Overcast
 14° /4° 0 mm 0 cm
Nov. 17 Cloudy
Cloudy
 7° /1° 0 mm 0 cm
Nov. 18 Moderate snow
Moderate snow
 3° /0° 3.2 mm 1.4 cm
Nov. 19 Moderate rain
Moderate rain
 7° /3° 36.9 mm 0 cm
Nov. 20 Fog
Fog
 7° /3° 0 mm 0 cm
Nov. 21 Mist
Mist
 9° /6° 7.2 mm 0 cm
Nov. 22 Moderate rain
Moderate rain
 9° /4° 21.9 mm 0 cm
Nov. 23 Overcast
Overcast
 8° /5° 0 mm 0 cm
Nov. 24 Partly cloudy
Partly cloudy
 11° /2° 0 mm 0 cm
Nov. 25 Overcast
Overcast
 11° /5° 3.5 mm 0 cm
Nov. 26 Thundery outbreaks possible
Thundery outbreaks possible
 16° /10° 10.1 mm 0 cm
Nov. 27 Cloudy
Cloudy
 8° /0° 0 mm 0 cm
Nov. 28 Sunny
Sunny
 6° /-1° 0 mm 0 cm
Nov. 29 Sunny
Sunny
 5° /-2° 0 mm 0 cm
Nov. 30 Moderate or heavy rain shower
Moderate or heavy rain shower
 4° /0° 42.8 mm 0 cm
Next
Important Notice
Our weather forecast for New Castle County in November is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the New Castle County forecast closer to your planned date for the most up-to-date weather information.
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New Castle County in November - FAQ

What are the expected maximum and minimum temperatures in New Castle County during November?
Prepare for cooler days with highs just around 10° and colder nights, dipping below 4°.

How much rainfall should be expected in New Castle County during November?
Significant rainfall exceeding 166.1 mm is expected in New Castle County during November, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.

Will it snow in New Castle County in November 2026?
New Castle County typically sees 1.37 cm of snowfall during November.

What are the typical wind conditions in New Castle County during November?
The average wind speed in New Castle County during November is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

New Castle County snow forecast November 2026

Track daily snowfall levels and discover New Castle County’s snowy potential this November ❄️
On average, New Castle County sees 1 snowy days during November, with approximately 1.4 cm of total snowfall.

November rainfall patterns in New Castle County

Explore the daily rainfall trends and prepare for New Castle Countys November weather 💧
Typically, New Castle County has 8 rainy days in November with a total of 166.1 mm of rainfall.
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Location coordinates Where is New Castle County?

Get accurate weather forecasts for New Castle County, located at latitude 39.746 and longitude -75.547. Stay updated with localized weather information tailored for New Castle County.

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